549152401 has 16 divisors (see below), whose sum is σ = 644394240. Its totient is φ = 458161920.

The previous prime is 549152389. The next prime is 549152407. The reversal of 549152401 is 104251945.

It is a cyclic number.

It is not a de Polignac number, because 549152401 - 2⁷ = 549152273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (549152407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137805 + ... + 141733.

It is an arithmetic number, because the mean of its divisors is an integer number (40274640).

Almost surely, 2^549152401 is an apocalyptic number.

It is an amenable number.

549152401 is a deficient number, since it is larger than the sum of its proper divisors (95241839).

549152401 is a wasteful number, since it uses less digits than its factorization.

549152401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4464.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 549152401 is about 23434.0009601434. Note that the first 3 decimals coincide. The cubic root of 549152401 is about 818.9001718523.

The spelling of 549152401 in words is "five hundred forty-nine million, one hundred fifty-two thousand, four hundred one".